Finding the Fourth Proportional to 2,551.48, 3,520.98 and 1,432.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.48 : 3,520.98 = 1,432.46 : x
2. Step 2: Convert to fraction form
   2,551.48/3,520.98 = 1,432.46/x
3. Step 3: Cross multiply
   2,551.48x = 3,520.98 × 1,432.46
4. Step 4: Simplify right side
   2,551.48x = 5,043,671.81
5. Step 5: Solve for x
   x = 5,043,671.81/2,551.48
6. Step 6: Final answer
   x = 1,976.77